Using image segmentation techniques to assist physicians in brain tumor diagnosis is a hot issue computer technology research. Although most networks date have been based on U-Net, the prediction results are depending which not well generalized and need be further improved. As depth of network increases, gradients vanish together with decrease accuracy; meanwhile, large number parameters will c...

The high noise levels being experienced in some military fast jet aircraft and helicopters generally result in a reduction in the intelligibility of speech communications. A study has been conducted to assess the effect of reducing noise levels at the ear, by the use of current Active Noise Reduction (ANR) systems, on speech intelligibility in aircraft noise environments. The results of this st...

We study an engine control application where the behavior of engine controllers depends on the engine’s rotational speed. For efficient and precise timing analysis, we use the Digraph Real-Time (DRT) task model to specify the workload of control tasks where we employ optimal control theory to faithfully calculate the respective minimum inter-release times. We show how DRT models can be refined ...

Speech intelligibility of signals obtained with an acoustic microphone and three types of vibration-driven contact microphones was assessed using the Diagnostic Rhyme Test (DRT). Stimulus words were recorded digitally in a reverberant chamber with no noise and with ambient broadband noise intensity at 106 dB(A). Listeners completed the DRT task in the same settings, thus simulating typical envi...

A life-size mechanical middle ear model and human temporal bones were used to evaluate three different middle ear transducers for implantable hearing aids: the driving rod transducer (DRT), the floating mass transducer (FMT) or vibrant sound bridge, and the contactless transducer (CLT). Results of the experiments with the mechanical model were within the range of the results for human temporal ...

The thermal inactivation characteristics of Bacillus stearothermophilus (1518) spores and putrefactive anaerobe (PA) 3679 (NCA) spores suspended in skim milk were determined after treatment in pilot-plant ultrahigh-temperature (UHT) processing equipment. Temperature-survivor curves were constructed from survival data to emphasize the critical nature of temperature control in process evaluation....

Diagnostic Rhyme Test (DRT) materials by native speakers of English (American), German and French were presented under undegraded and degraded conditions to English speaking listening crews of three national origins: American, German and French. The effects of the speaker’s native language, the listener’s native language and all permutations of the two on DRT scores were significant, depending ...

We utilize a spiking neural network model of working memory (WM) capable of performing the spatial delayed response task (DRT) to investigate the functional effects of two drugs that affect WM: guanfacine (GFC); and phenylephrine (PHE). In this model, the loss of information over time results from changes in the spiking neural activity due to recurrent connections. We reproduce the standard for...

The purpose of this paper is to advocate and encourage the application of fuzzy-neuro algorithms in the risk assessment of Distributed Real-Time (DRT) systems, where object-oriented and formal techniques by means of UML-SDL models are used as knowledge (data) providers to the fuzzy-neuro analyser. The paper includes an introductory description of DRT systems and the presentation of the UML and ...

The premise of this study is that models of hearing, in general, and of individual hearing impairment, in particular, can be improved by using speech test results as an integral part of the modeling process. A conceptual iterative procedure is presented which, for an individual, considers measures of sensitivity, cochlear compression, and phonetic confusions using the Diagnostic Rhyme Test (DRT...